.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 250, 247, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.announcement {
  background: var(--ink);
  color: #fff;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 8px 12px;
}
.navbar {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  font: 600 26px Georgia, serif;
  letter-spacing: -0.04em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 27px;
  font-size: 14px;
  font-weight: 650;
}
.nav-links a {
  position: relative;
}
.nav-links a:after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: var(--ink);
  transition: 0.2s;
}
.nav-links a:hover:after,
.nav-links a.active:after {
  width: 100%;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.icon-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  display: grid;
  place-items: center;
  position: relative;
}
.cart-count {
  position: absolute;
  right: -3px;
  top: -3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  display: grid;
  place-items: center;
}
.menu-btn {
  display: none;
}
.mobile-nav{
    display: none;
}
@media (max-width: 820px) {
  .nav-links {
    display: none;
  }
  .menu-btn {
    display: grid;
  }
  .navbar {
    height: 64px;
  }
  .mobile-nav {
    display: none;
    position: absolute;
    top: 100px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 18px;
  }
  .mobile-nav.open {
    display: block;
  }
  .mobile-nav a {
    display: block;
    padding: 13px 5px;
    border-bottom: 1px solid var(--line);
  }
}